.manual{
    width:100%;
    height:100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding:30px 0;
    .box{
        width:788px;
        overflow-x: hidden;
        background: #fff;

        h1{
            font-size: 24px;
            
            font-weight: 500;
            color: #333434;
            line-height: 33px;
            margin:0; 
            padding-bottom: 14px;
            padding-top:14px;
            text-align: center;
        }

        .cbox{
            width:120%;
            height:calc(100vh - 250px);
            overflow-y: auto;

            .cont{
                width:788px;
                text-align: center;

                img{
                    width:100%;
                }
            }
        }
    }
}